18805621860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1\times {\mathrm{883}}^1$

素因数の和:1738

約数の個数: 144

約数和(自身を含む): 57514242240

約数和(自身を除く): 38708620380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 661, 716, 883, 895, 1074, 1322, 1611, 1766, 1790, 1983, 2148, 2644, 2649, 2685, 3222, 3305, 3532, 3580, 3966, 4415, 5298, 5370, 5949, 6444, 6610, 7932, 7947, 8055, 8830, 9915, 10596, 10740, 11898, 13220, 13245, 15894, 16110, 17660, 19830, 23796, 26490, 29745, 31788, 32220, 39660, 39735, 52980, 59490, 79470, 118319, 118980, 158057, 158940, 236638, 316114, 354957, 473276, 474171, 583663, 591595, 632228, 709914, 790285, 948342, 1064871, 1167326, 1183190, 1419828, 1422513, 1580570, 1750989, 1774785, 1896684, 2129742, 2334652, 2366380, 2370855, 2845026, 2918315, 3161140, 3501978, 3549570, 4259484, 4741710, 5252967, 5324355, 5690052, 5836630, 7003956, 7099140, 7112565, 8754945, 9483420, 10505934, 10648710, 11673260, 14225130, 17509890, 21011868, 21297420, 26264835, 28450260, 35019780, 52529670, 104475677, 105059340, 208951354, 313427031, 417902708, 522378385, 626854062, 940281093, 1044756770, 1253708124, 1567135155, 1880562186, 2089513540, 3134270310, 3761124372, 4701405465, 6268540620, 9402810930, 18805621860]

約数ペア:

[(1, 18805621860), (2, 9402810930), (3, 6268540620), (4, 4701405465), (5, 3761124372), (6, 3134270310), (9, 2089513540), (10, 1880562186), (12, 1567135155), (15, 1253708124), (18, 1044756770), (20, 940281093), (30, 626854062), (36, 522378385), (45, 417902708), (60, 313427031), (90, 208951354), (179, 105059340), (180, 104475677), (358, 52529670), (537, 35019780), (661, 28450260), (716, 26264835), (883, 21297420), (895, 21011868), (1074, 17509890), (1322, 14225130), (1611, 11673260), (1766, 10648710), (1790, 10505934), (1983, 9483420), (2148, 8754945), (2644, 7112565), (2649, 7099140), (2685, 7003956), (3222, 5836630), (3305, 5690052), (3532, 5324355), (3580, 5252967), (3966, 4741710), (4415, 4259484), (5298, 3549570), (5370, 3501978), (5949, 3161140), (6444, 2918315), (6610, 2845026), (7932, 2370855), (7947, 2366380), (8055, 2334652), (8830, 2129742), (9915, 1896684), (10596, 1774785), (10740, 1750989), (11898, 1580570), (13220, 1422513), (13245, 1419828), (15894, 1183190), (16110, 1167326), (17660, 1064871), (19830, 948342), (23796, 790285), (26490, 709914), (29745, 632228), (31788, 591595), (32220, 583663), (39660, 474171), (39735, 473276), (52980, 354957), (59490, 316114), (79470, 236638), (118319, 158940), (118980, 158057)]